The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 13, 1979
Filed:
Jul. 18, 1977
Applicant:
Inventors:
Assignee:
Asahi-Dow Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; B28B / ; B29F / ; B32B / ;
U.S. Cl.
CPC ...
428 35 ; 215 / ; 264328 ; 264329 ; 428 64 ; 428213 ;
Abstract
A multi-layered article molded according to the present invention has in its cross-section a triple-layered structure consisting of two surface layers and a core layer interposed between said surface layers, said triple-layered structure being injection molded in a single shot from two kinds of thermoplastic synthetic resins to be formed into the surface and core layers, respectively, said core layer having a thickness less than one half of the entire thickness of said article.